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Supermoon 2012

/ Updated May.06.2012 / 5:13 AM ET11 PHOTOS

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Running with a supermoon

A runner makes his way along a trail on a butte in front of the "supermoon" over Papago Park in Phoenix on May 5. This full moon is the biggest and brightest of 2012, thanks to the orbital mechanics of the moon's phases and its orbit around Earth. In this photograph, the effect is heightened dramatically through the use of a telephoto lens.

— Darryl Webb / X02972

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Looking for the moon

Men stand on top of a butte at Phoenix's Papago Park, hoping for a better view of the moon on May 5. Reports of the "supermoon" led to an uptick in Saturday night moongazing.

— Darryl Webb / X02972

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Moon on the mountains

The moon is seen from San Pedro de Atacama, in Chile's Atacama Desert, on May 5. It's not unusual for the moon to be this big and close as it traces an elliptical orbit around Earth. What made this sight notable is that the moon reached perigee - its closest point to Earth - at about the same time that it reached maximum fullness.

— Felipe Trueba / EFE

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Holy moon

A full moon is seen behind the minaret of the Mohamed Ali Mosque in Cairo, Egypt, during May 5's "supermoon."

— Asmaa Waguih / X02458

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Red moon rising

A perigee moon, also known as a "supermoon," rises over the Mississippi Sound in Biloxi, Miss., on May 5. Scientists say we tend to perceive the moon as looking bigger when it's at the horizon than when it's directly overhead. This so-called "moon illusion" is related to the way our brains are programmed to interpret sky phenomena.

— Tim Isbell / Biloxi Sun Herald

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Fishing under the moon

Fishermen cast their lines from a jetty as the moon rises over the Atlantic Ocean on May 5, near Bal Harbour, Fla.

— Wilfredo Lee / AP

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Full-frontal moon

The moon's craters and dark maria ("seas") show up clearly in a "supermoon" snapshot captured in Canton, Ohio, on May 5. A full moon appears 14 percent wider at its minimum distance than at its maximum distance, and its brightness can vary by as much as 30 percent.

— Scott Heckel / The Repository

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Great white moon

The "supermoon" rises over Toronto's skyline on May 5. The Canadian city's CN Tower provided an ideal vantage point for watching the bigger-than-usual moon rise from the horizon.